Will Knowlton:
Sharp-tailed Sandpiper, Laguna Colorada, Bolivia, South America
Will Knowlton:
Sharp-tailed Sandpiper, Laguna Colorada, Bolivia, South America
Will Knowlton:
Sharp-tailed Sandpiper, Laguna Colorada, Bolivia, South America
Will Knowlton:
Cordilleran Canastero, Salar de Uyuni, Bolivia
Will Knowlton:
Andean Avocets, Bolivia
Will Knowlton:
Red-backed Sierra-Finch, Bolivia
Will Knowlton:
Baird's Sandpiper, Bolivia
Will Knowlton:
Puna Plover, Bolivia
Will Knowlton:
Andean Gulls, Bolivia
Will Knowlton:
Rufous-naped Ground-Tyrant, Bolivia
Will Knowlton:
Puna Miner, Bolivia
Will Knowlton:
Ash-breasted Sierra-Finch, Bolivia
Will Knowlton:
Puna Miner, Bolivia
Will Knowlton:
Yellow-billed Teal, Bolivia
Will Knowlton:
James's Flamingo, Laguna Colorada, Bolivia
Will Knowlton:
James's Flamingo, Laguna Colorada, Bolivia
Will Knowlton:
Grey-breasted Seedsnipe, Laguna Colorada, Bolivia
Will Knowlton:
Andean Geese and Andean Avocet, Laguna Colorada, Bolivia
Will Knowlton:
Crested Duck, Laguna Colorada, Bolivia
Will Knowlton:
Andean Negrito, Laguna Colorada, Bolivia
Will Knowlton:
Puna Tinamou, Bolivia
Will Knowlton:
Golden-spotted Ground-Dove, Bolivia
Will Knowlton:
Andean Gull, Bolivia
Will Knowlton:
Andean Gulls on nests, Bolivia
Will Knowlton:
Baird's Sandpiper, Bolivia
Will Knowlton:
Andean Flamingo, Bolivia
Will Knowlton:
James's Flamingos, Laguna Colorada, Bolivia
Will Knowlton:
Andean Flamingo, Bolivia
Will Knowlton:
Grey-breasted Seedsnipe, Bolivia